Murr Miro TH, Opto-coupler, triac 0.5A, 24VDC, screw

Product Overview

The Murrelektronik MIRO TH 24VDC SK is a triac-based optocoupler module designed for AC load switching applications requiring electrical isolation between low-voltage DC control and high-voltage AC loads. This module provides reliable AC switching capability up to 0.5A at 250VAC, controlled by 50VDC input signals. The device features compact design with screw terminal connections, making it ideal for controlling AC loads such as motors, lighting, and heating elements from DC control systems.

Key Features

• Triac-based optocoupler for AC load switching
• AC switching capacity: 0.5A at 250VAC output
• DC control input: up to 50VDC maximum
• Galvanic isolation between DC input and AC output
• 24VDC nominal operation for industrial control systems
• Screw terminal connections for secure wiring
• Compact module design for control cabinet installation
• Zero-crossing switching for reduced electrical interference

Technical Specifications

• Model: MIRO TH 24VDC SK Optocoupler Module
• Article Number: 52550
• Input Voltage: 50VDC maximum
• Output Voltage: 250VAC maximum
• Output Current: 0.5A continuous
• Control Voltage: 24VDC nominal
• Connection Type: Screw terminals
• Switching Element: Photo-triac

Electrical Characteristics

• Control Input: 24VDC nominal, 50VDC maximum
• AC Load Switching: 250VAC maximum, 0.5A continuous
• Switching Technology: Photo-triac optocoupler
• Output Type: AC triac switching for resistive and inductive loads
• Zero-Crossing: Triac switching reduces EMI and electrical noise
• Isolation Type: Galvanic isolation between DC control and AC load

Standards and Compliance

• Industrial Standards: Designed for industrial automation applications
• Safety Standards: Galvanic isolation for electrical safety
• Quality Standards: Murrelektronik industrial quality and reliability
• DIN Rail Standards: Standard DIN rail mounting compatibility
• Environmental Standards: Industrial environmental protection ratings

Applications

• AC motor control and switching from DC systems
• Industrial lighting control and automation
• Heating element control and regulation
• AC solenoid valve control applications
• Process equipment AC load switching
• Industrial automation AC interface applications

Installation Features

• Compact Design: Space-efficient module for control cabinet installation
• DIN Rail Mounting: Standard industrial mounting capability
• Screw Terminals: Secure and reliable wiring connections
• AC/DC Interface: Seamless interface between DC control and AC loads
• Professional Integration: Standard industrial module format

Triac Switching Benefits

• Zero-Crossing Operation: Reduces electrical interference and EMI
• AC Load Compatibility: Suitable for resistive and inductive AC loads
• Smooth Switching: Triac technology provides clean AC switching
• Voltage Translation: DC control of high-voltage AC loads
• System Protection: Galvanic isolation protects control circuits

Benefits

• Enables safe DC control of AC loads up to 0.5A with complete galvanic isolation
• Provides reliable triac-based switching for various AC load types including motors and lighting
• Features zero-crossing switching technology to minimize electrical interference and EMI
• Offers versatile 50VDC input range for compatibility with various DC control systems
• Supports professional industrial installation with secure screw terminals and compact design

Download existing graphical data for this product:

• Product Specification Sheet